/* ============================
   个人简历/作品集样式 v2
   宽屏饱满 · 视觉充实
   ============================ */

/* --- CSS Variables --- */
:root {
  --primary: #4361ee;
  --primary-dark: #3a0ca3;
  --primary-glow: rgba(67, 97, 238, 0.15);
  --primary-light: #eef0ff;
  --bg: #f8f9fa;
  --bg-card: #ffffff;
  --text: #1a1a2e;
  --text-light: #6c757d;
  --text-muted: #adb5bd;
  --border: #e9ecef;
  --border-light: #f1f3f5;
  --shadow: 0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.06);
  --shadow-md: 0 4px 6px rgba(0,0,0,.07), 0 2px 4px rgba(0,0,0,.06);
  --shadow-lg: 0 10px 25px rgba(0,0,0,.1), 0 4px 10px rgba(0,0,0,.06);
  --shadow-xl: 0 20px 50px rgba(0,0,0,.12), 0 8px 20px rgba(0,0,0,.08);
  --radius: 12px;
  --radius-sm: 8px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --font-sans: 'Inter', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'Cascadia Code', Menlo, Consolas, monospace;
  --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* --- Reset & Base --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.7;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a { color: var(--primary); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--primary-dark); }

img { max-width: 100%; height: auto; }
::selection { background: var(--primary); color: #fff; }

/* --- Layout — 更宽! --- */
.wrapper {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 32px;
}

.section-title {
  font-size: 1.75rem;
  font-weight: 800;
  margin-bottom: 8px;
  color: var(--text);
  letter-spacing: -0.5px;
}

.section-subtitle {
  font-size: 1rem;
  color: var(--text-light);
  margin-bottom: 40px;
}

/* --- Header --- */
.site-header {
  background: rgba(255,255,255,.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
  height: 64px;
}
.site-header .wrapper {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 100%;
}

.site-title {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 8px;
}
.site-title:hover { color: var(--primary); }
.site-logo { letter-spacing: -0.5px; }
.site-badge {
  font-size: 0.65rem;
  background: var(--primary-light);
  color: var(--primary);
  padding: 2px 10px;
  border-radius: 20px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 2px;
}
.site-nav a {
  color: var(--text-light);
  font-size: 0.9rem;
  font-weight: 500;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}
.site-nav a:hover, .site-nav a.active {
  color: var(--text);
  background: var(--border);
  text-decoration: none;
}
.site-nav a.active { color: var(--primary); background: var(--primary-light); }
.nav-icon-link { padding: 8px 12px !important; font-size: 1.15rem !important; }

.mobile-nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  flex-direction: column;
  gap: 5px;
}
.mobile-nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: var(--transition);
}
.mobile-nav-toggle.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.mobile-nav-toggle.open span:nth-child(2) { opacity: 0; }
.mobile-nav-toggle.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ========================
   Hero — 全屏宽，视觉重量大
   ======================== */
.hero-section {
  position: relative;
  padding: 80px 0 64px;
  background: linear-gradient(135deg, #f0f2ff 0%, #e8ecff 40%, #f5f0ff 70%, #f0f4ff 100%);
  border-bottom: 1px solid var(--border);
  overflow: hidden;
}

/* 装饰性背景网格 */
.hero-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(67,97,238,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(67,97,238,.04) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
}

/* 装饰光晕 */
.hero-section::after {
  content: '';
  position: absolute;
  top: -120px;
  right: -120px;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(67,97,238,.08) 0%, transparent 70%);
  pointer-events: none;
}

.hero-section .wrapper {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  gap: 56px;
}

.hero-avatar {
  flex-shrink: 0;
}
.hero-avatar img {
  width: 160px;
  height: 160px;
  border-radius: 50%;
  border: 4px solid #fff;
  box-shadow: var(--shadow-xl);
}

.hero-info h1 {
  font-size: 2.8rem;
  font-weight: 800;
  letter-spacing: -1.5px;
  margin-bottom: 8px;
  line-height: 1.15;
  background: linear-gradient(135deg, var(--text) 0%, var(--primary-dark) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-info .hero-tagline {
  font-size: 1.2rem;
  color: var(--primary);
  font-weight: 600;
  margin-bottom: 12px;
}

.hero-info .hero-bio {
  font-size: 1.05rem;
  color: var(--text-light);
  line-height: 1.8;
  max-width: 600px;
}

.hero-actions {
  display: flex;
  gap: 14px;
  margin-top: 24px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 28px;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-weight: 600;
  transition: var(--transition);
  border: none;
  cursor: pointer;
}
.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 4px 14px rgba(67,97,238,.35);
}
.btn-primary:hover {
  background: var(--primary-dark);
  color: #fff;
  text-decoration: none;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(67,97,238,.4);
}
.btn-outline {
  background: rgba(255,255,255,.8);
  color: var(--text);
  border: 1.5px solid var(--border);
  backdrop-filter: blur(4px);
}
.btn-outline:hover {
  border-color: var(--primary);
  background: #fff;
  color: var(--primary);
  text-decoration: none;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* ========================
   Sections
   ======================== */
.section-block {
  padding: 72px 0;
}
.section-block-alt {
  background: var(--bg-card);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.section-header {
  text-align: center;
  margin-bottom: 44px;
}
.section-header .section-icon {
  font-size: 2.2rem;
  margin-bottom: 10px;
  display: block;
}

/* ========================
   Skills — 大屏 4 列
   ======================== */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.skill-category {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  transition: var(--transition);
}
.skill-category:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
}

.skill-category-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 20px;
  padding-bottom: 14px;
  border-bottom: 2px solid var(--primary-light);
}
.skill-category-header .cat-icon {
  font-size: 1.6rem;
}
.skill-category-header h3 {
  font-size: 1.1rem;
  font-weight: 700;
}

.skill-items { display: flex; flex-direction: column; gap: 16px; }

.skill-name-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.88rem;
  margin-bottom: 6px;
}
.skill-name-row .skill-name { font-weight: 600; }
.skill-name-row .skill-level {
  color: var(--text-muted);
  font-size: 0.8rem;
  font-weight: 600;
  font-family: var(--font-mono);
}

.skill-bar {
  height: 8px;
  background: var(--border);
  border-radius: 4px;
  overflow: hidden;
}
.skill-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--primary), #7c4dff);
  border-radius: 4px;
  transition: width 0.8s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.2);
}

.skill-desc {
  font-size: 0.82rem;
  color: var(--text-light);
  margin-top: 6px;
}

/* ========================
   GitHub Stats — 大卡片
   ======================== */
.github-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 20px;
  text-align: center;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), #7c4dff);
  opacity: 0;
  transition: var(--transition);
}
.stat-card:hover::before { opacity: 1; }
.stat-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}
.stat-card .stat-icon {
  font-size: 1.6rem;
  color: var(--primary);
  margin-bottom: 10px;
}
.stat-card .stat-number {
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: -1.5px;
  line-height: 1.2;
  background: linear-gradient(135deg, var(--text), var(--primary-dark));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.stat-card .stat-label {
  font-size: 0.85rem;
  color: var(--text-light);
  margin-top: 4px;
  font-weight: 500;
}

.gh-contrib-img {
  margin-top: 28px;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  background: var(--bg-card);
  padding: 6px;
  border: 1px solid var(--border);
}
.gh-contrib-img img {
  display: block;
  width: 100%;
  border-radius: var(--radius-sm);
}

/* ========================
   Projects
   ======================== */
.project-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 24px;
}

.project-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  position: relative;
}
.project-card::after {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: var(--radius);
  border: 2px solid transparent;
  transition: var(--transition);
  pointer-events: none;
}
.project-card:hover {
  border-color: transparent;
  box-shadow: var(--shadow-xl);
  transform: translateY(-4px);
}
.project-card:hover::after {
  border-color: var(--primary);
}
.project-card .project-name {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--text);
}
.project-card .project-name i {
  color: var(--primary);
  margin-right: 8px;
  font-size: 0.9rem;
}
.project-card .project-desc {
  font-size: 0.9rem;
  color: var(--text-light);
  line-height: 1.65;
  flex: 1;
  margin-bottom: 16px;
}
.project-card .project-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.82rem;
  color: var(--text-muted);
  border-top: 1px solid var(--border-light);
  padding-top: 14px;
}
.project-card .project-meta .lang {
  display: flex;
  align-items: center;
  gap: 6px;
}
.project-card .project-meta .lang-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  display: inline-block;
  box-shadow: inset 0 1px 2px rgba(0,0,0,.15);
}
.project-card .project-meta .stars {
  display: flex;
  align-items: center;
  gap: 6px;
  font-weight: 500;
}

/* ========================
   Blog Preview (Homepage)
   ======================== */
.blog-preview-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px 32px;
}

.blog-preview-item {
  display: flex;
  gap: 20px;
  padding: 20px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}
.blog-preview-item:hover {
  background: var(--bg);
}

.blog-preview-item .bp-date {
  flex-shrink: 0;
  width: 56px;
  text-align: center;
  background: var(--primary-light);
  border-radius: var(--radius-sm);
  padding: 8px 4px;
  height: fit-content;
}
.blog-preview-item .bp-date .day {
  font-size: 1.3rem;
  font-weight: 800;
  line-height: 1;
  display: block;
  color: var(--primary);
}
.blog-preview-item .bp-date .month {
  font-size: 0.7rem;
  color: var(--text-light);
  text-transform: uppercase;
  font-weight: 600;
}
.blog-preview-item .bp-content { flex: 1; }
.blog-preview-item .bp-content h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 4px;
  line-height: 1.4;
}
.blog-preview-item .bp-content h3 a { color: var(--text); }
.blog-preview-item .bp-content h3 a:hover { color: var(--primary); }
.blog-preview-item .bp-content p {
  font-size: 0.85rem;
  color: var(--text-light);
  line-height: 1.5;
}

.section-more-link {
  display: block;
  text-align: center;
  margin-top: 28px;
  font-size: 0.95rem;
  font-weight: 600;
  padding: 12px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}
.section-more-link:hover {
  background: var(--primary-light);
  text-decoration: none;
}

/* ========================
   Blog Listing
   ======================== */
.blog-page-header {
  padding: 48px 0 28px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 36px;
}
.blog-page-header h1 { font-size: 2rem; font-weight: 800; }

.blog-list { max-width: 800px; }
.blog-list-item {
  padding: 28px 0;
  border-bottom: 1px solid var(--border-light);
}
.blog-list-item:last-child { border-bottom: none; }
.blog-list-item h2 {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 6px;
}
.blog-list-item h2 a { color: var(--text); }
.blog-list-item h2 a:hover { color: var(--primary); }
.blog-list-item .blog-list-meta {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 8px;
}
.blog-list-item .blog-list-excerpt {
  font-size: 0.92rem;
  color: var(--text-light);
  line-height: 1.6;
}

/* ========================
   Single Post
   ======================== */
.post-header {
  padding: 40px 0 28px;
  margin-bottom: 36px;
  border-bottom: 1px solid var(--border);
}
.post-header .post-meta-bar {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
.post-header .post-desc {
  font-size: 1rem;
  color: var(--text-light);
  margin-top: 10px;
  line-height: 1.6;
}
.post-title {
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  line-height: 1.25;
}

.post-content {
  font-size: 1rem;
  line-height: 1.85;
  padding-bottom: 48px;
  max-width: 800px;
}

/* ── Headings ── */
.post-content h2 {
  font-size: 1.5rem;
  font-weight: 700;
  margin: 40px 0 14px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--border);
  color: var(--text);
}
.post-content h2:first-child { margin-top: 0; }
.post-content h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin: 30px 0 10px;
  color: var(--text);
}
.post-content h4 {
  font-size: 1rem;
  font-weight: 600;
  margin: 24px 0 8px;
  color: var(--text);
}

/* ── Paragraphs & Lists ── */
.post-content p { margin-bottom: 18px; color: var(--text); }
.post-content ul, .post-content ol { margin: 0 0 18px 24px; }
.post-content li { margin-bottom: 6px; }

/* ── Blockquote ── */
.post-content blockquote {
  border-left: 4px solid var(--primary);
  padding: 14px 22px;
  margin: 22px 0;
  background: var(--primary-light);
  border-radius: 0 6px 6px 0;
  color: var(--text);
  font-size: 0.95rem;
}
.post-content blockquote p { margin-bottom: 6px; }
.post-content blockquote p:last-child { margin-bottom: 0; }
.post-content blockquote > blockquote { margin: 8px 0; }

/* ── Code ── */
.post-content pre {
  background: #1e1e2e;
  color: #cdd6f4;
  padding: 20px 24px;
  border-radius: 8px;
  overflow-x: auto;
  font-size: 0.85rem;
  margin: 22px 0;
  font-family: var(--font-mono);
  line-height: 1.6;
}
.post-content code {
  font-family: var(--font-mono);
  font-size: 0.85em;
  background: var(--primary-light);
  padding: 2px 8px;
  border-radius: 4px;
  color: var(--primary-dark);
}
.post-content pre code {
  background: none;
  padding: 0;
  color: inherit;
}

/* ── Table ── */
.post-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0;
  font-size: 0.92rem;
}
.post-content th, .post-content td {
  border: 1px solid var(--border);
  padding: 10px 14px;
  text-align: left;
  vertical-align: top;
}
.post-content th {
  background: var(--primary-light);
  font-weight: 600;
  color: var(--text);
}
.post-content tr:nth-child(even) td {
  background: #fafbfc;
}

/* ── Misc ── */
.post-content hr {
  border: none;
  border-top: 2px solid var(--border);
  margin: 36px 0;
}
.post-content img {
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow);
  margin: 16px 0;
}
.post-content strong { font-weight: 700; }
.post-content em { font-style: italic; }

/* ── Note / Tip callout (for > 前缀的引用) ── */
.post-content blockquote:has(strong:first-child) {
  border-left-color: #10b981;
  background: #ecfdf5;
}

.post-nav {
  display: flex;
  justify-content: space-between;
  padding: 28px 0 48px;
  border-top: 1px solid var(--border);
  gap: 24px;
}
.post-nav a {
  font-size: 0.95rem;
  font-weight: 600;
  max-width: 45%;
}
.post-nav a:hover { text-decoration: none; color: var(--primary); }
.post-nav .next { text-align: right; margin-left: auto; }

.tag {
  display: inline-block;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 0.75rem;
  padding: 4px 14px;
  border-radius: 20px;
  font-weight: 600;
  letter-spacing: 0.2px;
}

/* ========================
   About / Resume Page
   ======================== */
.resume-section {
  margin-bottom: 44px;
}
.resume-section h2 {
  font-size: 1.3rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 20px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--primary-light);
}
.resume-section h2 .icon { color: var(--primary); }

.resume-item {
  margin-bottom: 24px;
  padding-left: 24px;
  border-left: 3px solid var(--primary-light);
  transition: var(--transition);
}
.resume-item:hover {
  border-left-color: var(--primary);
}
.resume-item h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 4px;
}
.resume-item .resume-meta {
  font-size: 0.85rem;
  color: var(--text-light);
  margin-bottom: 8px;
}
.resume-item p, .resume-item ul {
  font-size: 0.92rem;
  color: var(--text-light);
  line-height: 1.7;
}
.resume-item ul { padding-left: 20px; margin-top: 6px; }
.resume-item ul li { margin-bottom: 6px; }
.resume-item ul li::marker { color: var(--primary); }

.about-bio {
  font-size: 1.05rem;
  line-height: 1.9;
  color: var(--text);
}
.about-bio p { margin-bottom: 14px; }

/* ========================
   Footer
   ======================== */
.site-footer {
  background: var(--text);
  color: #ccc;
  padding: 56px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 32px;
}
.footer-brand strong {
  font-size: 1.15rem;
  color: #fff;
}
.footer-brand p {
  font-size: 0.88rem;
  margin-top: 6px;
  color: #999;
}
.footer-links h4, .footer-social h4 {
  font-size: 0.8rem;
  color: #fff;
  font-weight: 600;
  margin-bottom: 12px;
  text-transform: uppercase;
  letter-spacing: 1px;
}
.footer-links a, .footer-social a {
  display: block;
  font-size: 0.88rem;
  color: #999;
  margin-bottom: 8px;
  transition: var(--transition);
}
.footer-links a:hover, .footer-social a:hover { color: #fff; text-decoration: none; }

.footer-bottom {
  border-top: 1px solid #333;
  padding: 20px 0;
  text-align: center;
  font-size: 0.82rem;
  color: #777;
}
.footer-bottom a { color: #8ab4f8; }

/* ========================
   Responsive
   ======================== */
@media (max-width: 1024px) {
  .wrapper { padding: 0 24px; }
  .project-grid { grid-template-columns: repeat(2, 1fr); }
  .skills-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .wrapper { padding: 0 16px; }

  .site-nav {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: #fff;
    border-bottom: 1px solid var(--border);
    padding: 12px 16px;
    flex-direction: column;
    box-shadow: var(--shadow-lg);
  }
  .site-nav.open { display: flex; }
  .site-nav a { padding: 12px 14px; width: 100%; border-radius: 0; }
  .mobile-nav-toggle { display: flex; }

  .hero-section {
    padding: 48px 0 40px;
  }
  .hero-section .wrapper {
    flex-direction: column;
    text-align: center;
    gap: 24px;
  }
  .hero-info .hero-bio { max-width: 100%; }
  .hero-actions { justify-content: center; }
  .hero-info h1 {
    font-size: 1.8rem;
    background: none;
    -webkit-text-fill-color: var(--text);
  }
  .hero-avatar img { width: 110px; height: 110px; }

  .section-block { padding: 48px 0; }
  .section-title { font-size: 1.4rem; }

  .skills-grid { grid-template-columns: 1fr; }
  .project-grid { grid-template-columns: 1fr; }
  .github-stats { grid-template-columns: repeat(2, 1fr); }
  .blog-preview-list { grid-template-columns: 1fr; }

  .footer-grid { grid-template-columns: 1fr; gap: 28px; }

  .blog-preview-item { padding: 16px 0; }
  .blog-preview-item .bp-date { width: 48px; padding: 6px 2px; }
  .blog-preview-item .bp-date .day { font-size: 1.1rem; }

  .post-title { font-size: 1.5rem; }
  .post-content { font-size: 1rem; }
  .post-nav { flex-direction: column; gap: 16px; }
  .post-nav .next { text-align: left; }
  .post-nav a { max-width: 100%; }

  .stat-card { padding: 20px 16px; }
  .stat-card .stat-number { font-size: 1.5rem; }

  /* --- 手机端表格优化：横向滚动 + 紧凑排版 --- */
  .post-content table {
    display: block;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    white-space: nowrap;
    font-size: 0.82rem;
  }
  .post-content table::-webkit-scrollbar { height: 4px; }
  .post-content table::-webkit-scrollbar-thumb { background: var(--border); border-radius: 2px; }
  .post-content th,
  .post-content td {
    padding: 8px 10px;
    min-width: 80px;
  }

  /* --- 手机端代码块优化 --- */
  .post-content pre {
    font-size: 0.78rem;
    padding: 14px 16px;
    white-space: pre;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
  .post-content pre::-webkit-scrollbar { height: 4px; }
  .post-content pre::-webkit-scrollbar-thumb { background: #444; border-radius: 2px; }

  .post-content code {
    font-size: 0.8em;
    word-break: break-all;
  }
  .post-content pre code {
    word-break: normal;
  }

  /* --- 大段代码示例/URL 折行 --- */
  .post-content p code,
  .post-content li code {
    white-space: normal;
    word-break: break-all;
  }

  /* --- 正文间距微调 --- */
  .post-content h2 { font-size: 1.25rem; margin: 28px 0 10px; }
  .post-content h3 { font-size: 1.05rem; margin: 22px 0 8px; }
  .post-content blockquote { padding: 10px 14px; font-size: 0.9rem; }
}

@media (max-width: 480px) {
  .hero-actions { flex-direction: column; align-items: center; }
  .btn { width: 100%; justify-content: center; }
  .github-stats { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .hero-info h1 { font-size: 1.5rem; }
}